/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"

// INCLUDE ---------------------------------------------------------------



#include "scitems.hxx"
#include <editeng/eeitem.hxx>


#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/embed/XTransactedObject.hpp>

#include <unotools/tempfile.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <comphelper/storagehelper.hxx>
#include <sot/storage.hxx>
#include <vcl/svapp.hxx>
#include <vcl/virdev.hxx>
#include <vos/mutex.hxx>
#include <sfx2/app.hxx>
#include <sfx2/docfile.hxx>

#include "transobj.hxx"
#include "document.hxx"
#include "viewopti.hxx"
#include "editutil.hxx"
#include "impex.hxx"
#include "cell.hxx"
#include "printfun.hxx"
#include "docfunc.hxx"
#include "scmod.hxx"

// for InitDocShell
#include <editeng/paperinf.hxx>
#include <editeng/sizeitem.hxx>
#include <svx/algitem.hxx>
#include <svl/intitem.hxx>
#include <svl/zforlist.hxx>
#include "docsh.hxx"
#include "markdata.hxx"
#include "stlpool.hxx"
#include "viewdata.hxx"
#include "dociter.hxx"
#include "cellsuno.hxx"

using namespace com::sun::star;

// -----------------------------------------------------------------------

#define SCTRANS_TYPE_IMPEX			1
#define SCTRANS_TYPE_EDIT_RTF		2
#define SCTRANS_TYPE_EDIT_BIN		3
#define SCTRANS_TYPE_EMBOBJ			4

// -----------------------------------------------------------------------

// static
void ScTransferObj::GetAreaSize( ScDocument* pDoc, SCTAB nTab1, SCTAB nTab2, SCROW& nRow, SCCOL& nCol )
{
	SCCOL nMaxCol = 0;
	SCROW nMaxRow = 0;
	for( SCTAB nTab = nTab1; nTab <= nTab2; nTab++ )
	{
        SCCOL nLastCol = 0;
        SCROW nLastRow = 0;
        // GetPrintArea instead of GetCellArea - include drawing objects
		if( pDoc->GetPrintArea( nTab, nLastCol, nLastRow ) )
		{
			if( nLastCol > nMaxCol )
				nMaxCol = nLastCol;
			if( nLastRow > nMaxRow  )
				nMaxRow = nLastRow;
		}
	}
	nRow = nMaxRow;
	nCol = nMaxCol;
}

// static
void ScTransferObj::PaintToDev( OutputDevice* pDev, ScDocument* pDoc, double nPrintFactor,
								const ScRange& rBlock, sal_Bool bMetaFile )
{
	if (!pDoc)
		return;

	Point aPoint;
	Rectangle aBound( aPoint, pDev->GetOutputSize() ); 		//! use size from clip area?

	ScViewData aViewData(NULL,NULL);
	aViewData.InitData( pDoc );

	aViewData.SetTabNo( rBlock.aEnd.Tab() );
	aViewData.SetScreen( rBlock.aStart.Col(), rBlock.aStart.Row(),
							rBlock.aEnd.Col(), rBlock.aEnd.Row() );

	ScPrintFunc::DrawToDev( pDoc, pDev, nPrintFactor, aBound, &aViewData, bMetaFile );
}

// -----------------------------------------------------------------------

ScTransferObj::ScTransferObj( ScDocument* pClipDoc, const TransferableObjectDescriptor& rDesc ) :
	pDoc( pClipDoc ),
	aObjDesc( rDesc ),
	nDragHandleX( 0 ),
	nDragHandleY( 0 ),
	nDragSourceFlags( 0 ),
	bDragWasInternal( sal_False ),
    bUsedForLink( sal_False ),
    bUseInApi( false )
{
	DBG_ASSERT(pDoc->IsClipboard(), "wrong document");

	//
	// get aBlock from clipboard doc
	//

	SCCOL nCol1;
	SCROW nRow1;
	SCCOL nCol2;
	SCROW nRow2;
	pDoc->GetClipStart( nCol1, nRow1 );
	pDoc->GetClipArea( nCol2, nRow2, sal_True );	// real source area - include filtered rows
    nCol2 = sal::static_int_cast<SCCOL>( nCol2 + nCol1 );
    nRow2 = sal::static_int_cast<SCROW>( nRow2 + nRow1 );

	SCCOL nDummy;
	pDoc->GetClipArea( nDummy, nNonFiltered, sal_False );
    bHasFiltered = (nNonFiltered < (nRow2 - nRow1));
	++nNonFiltered;		// to get count instead of diff

	SCTAB nTab1=0;
	SCTAB nTab2=0;
	sal_Bool bFirst = sal_True;
	for (SCTAB i=0; i<=MAXTAB; i++)
		if (pDoc->HasTable(i))
		{
			if (bFirst)
				nTab1 = i;
			nTab2 = i;
			bFirst = sal_False;
		}
	DBG_ASSERT(!bFirst, "no sheet selected");

	//	only limit to used cells if whole sheet was marked
	//	(so empty cell areas can be copied)
	if ( nCol2>=MAXCOL && nRow2>=MAXROW )
	{
        SCROW nMaxRow;
        SCCOL nMaxCol;
        GetAreaSize( pDoc, nTab1, nTab2, nMaxRow, nMaxCol );
		if( nMaxRow < nRow2 )
			nRow2 = nMaxRow;
		if( nMaxCol < nCol2 )
			nCol2 = nMaxCol;
	}

	aBlock = ScRange( nCol1, nRow1, nTab1, nCol2, nRow2, nTab2 );
	nVisibleTab = nTab1;	// valid table as default

	Rectangle aMMRect = pDoc->GetMMRect( nCol1,nRow1, nCol2,nRow2, nTab1 );
    aObjDesc.maSize = aMMRect.GetSize();
    PrepareOLE( aObjDesc );
}

ScTransferObj::~ScTransferObj()
{
	Application::GetSolarMutex().acquire();

	ScModule* pScMod = SC_MOD();
	if ( pScMod->GetClipData().pCellClipboard == this )
	{
		DBG_ERROR("ScTransferObj wasn't released");
		pScMod->SetClipObject( NULL, NULL );
	}
	if ( pScMod->GetDragData().pCellTransfer == this )
	{
		DBG_ERROR("ScTransferObj wasn't released");
		pScMod->ResetDragObject();
	}

	delete pDoc;		// ScTransferObj is owner of clipboard document

	aDocShellRef.Clear();	// before releasing the mutex

    aDrawPersistRef.Clear();                    // after the model

	Application::GetSolarMutex().release();
}

// static
ScTransferObj* ScTransferObj::GetOwnClipboard( Window* pUIWin )
{
	ScTransferObj* pObj = SC_MOD()->GetClipData().pCellClipboard;
	if ( pObj && pUIWin )
	{
		//	check formats to see if pObj is really in the system clipboard

		//	pUIWin is NULL when called from core (IsClipboardSource),
		//	in that case don't access the system clipboard, because the call
		//	may be from other clipboard operations (like flushing, #86059#)

		TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( pUIWin ) );
		if ( !aDataHelper.HasFormat( SOT_FORMATSTR_ID_DIF ) )
		{
//			DBG_ERROR("ScTransferObj wasn't released");
			pObj = NULL;
		}
	}
	return pObj;
}

void ScTransferObj::AddSupportedFormats()
{
	AddFormat( SOT_FORMATSTR_ID_EMBED_SOURCE );
	AddFormat( SOT_FORMATSTR_ID_OBJECTDESCRIPTOR );
	AddFormat( SOT_FORMAT_GDIMETAFILE );
	AddFormat( SOT_FORMAT_BITMAP );

	// ScImportExport formats
	AddFormat( SOT_FORMATSTR_ID_HTML );
	AddFormat( SOT_FORMATSTR_ID_SYLK );
	AddFormat( SOT_FORMATSTR_ID_LINK );
	AddFormat( SOT_FORMATSTR_ID_DIF );
	AddFormat( SOT_FORMAT_STRING );

	AddFormat( SOT_FORMAT_RTF );
	if ( aBlock.aStart == aBlock.aEnd )
		AddFormat( SOT_FORMATSTR_ID_EDITENGINE );
}

sal_Bool ScTransferObj::GetData( const datatransfer::DataFlavor& rFlavor )
{
	sal_uInt32	nFormat = SotExchange::GetFormat( rFlavor );
	sal_Bool	bOK = sal_False;

	if( HasFormat( nFormat ) )
	{
		if ( nFormat == SOT_FORMATSTR_ID_LINKSRCDESCRIPTOR || nFormat == SOT_FORMATSTR_ID_OBJECTDESCRIPTOR )
		{
			bOK = SetTransferableObjectDescriptor( aObjDesc, rFlavor );
		}
		else if ( ( nFormat == SOT_FORMAT_RTF || nFormat == SOT_FORMATSTR_ID_EDITENGINE ) &&
						aBlock.aStart == aBlock.aEnd )
		{
			//	RTF from a single cell is handled by EditEngine

			SCCOL nCol = aBlock.aStart.Col();
			SCROW nRow = aBlock.aStart.Row();
			SCTAB nTab = aBlock.aStart.Tab();

			const ScPatternAttr* pPattern = pDoc->GetPattern( nCol, nRow, nTab );
			ScTabEditEngine aEngine( *pPattern, pDoc->GetEditPool() );
			ScBaseCell* pCell = NULL;
			pDoc->GetCell( nCol, nRow, nTab, pCell );
			if (pCell)
			{
				if (pCell->GetCellType() == CELLTYPE_EDIT)
				{
					const EditTextObject* pObj;
					((ScEditCell*)pCell)->GetData(pObj);
					aEngine.SetText( *pObj );
				}
				else
				{
					String aText;
					pDoc->GetString( nCol, nRow, nTab, aText );
					aEngine.SetText(aText);
				}
			}

			bOK = SetObject( &aEngine,
							(nFormat == FORMAT_RTF) ? SCTRANS_TYPE_EDIT_RTF : SCTRANS_TYPE_EDIT_BIN,
							rFlavor );
		}
		else if ( ScImportExport::IsFormatSupported( nFormat ) || nFormat == SOT_FORMAT_RTF )
		{
			//	if this transfer object was used to create a DDE link, filtered rows
			//	have to be included for subsequent calls (to be consistent with link data)
			if ( nFormat == SOT_FORMATSTR_ID_LINK )
				bUsedForLink = sal_True;

			sal_Bool bIncludeFiltered = pDoc->IsCutMode() || bUsedForLink;

			ScImportExport aObj( pDoc, aBlock );
            if ( bUsedForLink )
                aObj.SetExportTextOptions( ScExportTextOptions( ScExportTextOptions::ToSpace, ' ', false ) );
			aObj.SetFormulas( pDoc->GetViewOptions().GetOption( VOPT_FORMULAS ) );
			aObj.SetIncludeFiltered( bIncludeFiltered );

			//	DataType depends on format type:

			if ( rFlavor.DataType.equals( ::getCppuType( (const ::rtl::OUString*) 0 ) ) )
			{
				rtl::OUString aString;
				if ( aObj.ExportString( aString, nFormat ) )
					bOK = SetString( aString, rFlavor );
			}
			else if ( rFlavor.DataType.equals( ::getCppuType( (const uno::Sequence< sal_Int8 >*) 0 ) ) )
			{
				//	SetObject converts a stream into a Int8-Sequence
				bOK = SetObject( &aObj, SCTRANS_TYPE_IMPEX, rFlavor );
			}
			else
			{
				DBG_ERROR("unknown DataType");
			}
		}
		else if ( nFormat == SOT_FORMAT_BITMAP )
		{
			Rectangle aMMRect = pDoc->GetMMRect( aBlock.aStart.Col(), aBlock.aStart.Row(),
												 aBlock.aEnd.Col(), aBlock.aEnd.Row(),
												 aBlock.aStart.Tab() );
			VirtualDevice aVirtDev;
			aVirtDev.SetOutputSizePixel( aVirtDev.LogicToPixel( aMMRect.GetSize(), MAP_100TH_MM ) );

			PaintToDev( &aVirtDev, pDoc, 1.0, aBlock, sal_False );

			aVirtDev.SetMapMode( MapMode( MAP_PIXEL ) );
			Bitmap aBmp = aVirtDev.GetBitmap( Point(), aVirtDev.GetOutputSize() );
			bOK = SetBitmap( aBmp, rFlavor );
		}
		else if ( nFormat == SOT_FORMAT_GDIMETAFILE )
		{
			InitDocShell();
            SfxObjectShell* pEmbObj = aDocShellRef;

			// like SvEmbeddedTransfer::GetData:

			GDIMetaFile		aMtf;
			VirtualDevice	aVDev;
			MapMode			aMapMode( pEmbObj->GetMapUnit() );
			Rectangle		aVisArea( pEmbObj->GetVisArea( ASPECT_CONTENT ) );

			aVDev.EnableOutput( sal_False );
			aVDev.SetMapMode( aMapMode );
			aMtf.SetPrefSize( aVisArea.GetSize() );
			aMtf.SetPrefMapMode( aMapMode );
			aMtf.Record( &aVDev );

			pEmbObj->DoDraw( &aVDev, Point(), aVisArea.GetSize(), JobSetup(), ASPECT_CONTENT );

			aMtf.Stop();
			aMtf.WindStart();

			bOK = SetGDIMetaFile( aMtf, rFlavor );
		}
		else if ( nFormat == SOT_FORMATSTR_ID_EMBED_SOURCE )
		{
            //TODO/LATER: differentiate between formats?!
			InitDocShell();			// set aDocShellRef

            SfxObjectShell* pEmbObj = aDocShellRef;
			bOK = SetObject( pEmbObj, SCTRANS_TYPE_EMBOBJ, rFlavor );
		}
	}
	return bOK;
}

sal_Bool ScTransferObj::WriteObject( SotStorageStreamRef& rxOStm, void* pUserObject, sal_uInt32 nUserObjectId,
										const datatransfer::DataFlavor& rFlavor )
{
	// called from SetObject, put data into stream

	sal_Bool bRet = sal_False;
	switch (nUserObjectId)
	{
		case SCTRANS_TYPE_IMPEX:
			{
				ScImportExport* pImpEx = (ScImportExport*)pUserObject;

				sal_uInt32 nFormat = SotExchange::GetFormat( rFlavor );
                // mba: no BaseURL for data exchange
                if ( pImpEx->ExportStream( *rxOStm, String(), nFormat ) )
					bRet = ( rxOStm->GetError() == ERRCODE_NONE );
			}
			break;

		case SCTRANS_TYPE_EDIT_RTF:
		case SCTRANS_TYPE_EDIT_BIN:
			{
				ScTabEditEngine* pEngine = (ScTabEditEngine*)pUserObject;
				if ( nUserObjectId == SCTRANS_TYPE_EDIT_RTF )
				{
					pEngine->Write( *rxOStm, EE_FORMAT_RTF );
					bRet = ( rxOStm->GetError() == ERRCODE_NONE );
				}
				else
				{
					//	#107722# can't use Write for EditEngine format because that would
					//	write old format without support for unicode characters.
					//	Get the data from the EditEngine's transferable instead.

					sal_uInt16 nParCnt = pEngine->GetParagraphCount();
					if ( nParCnt == 0 )
						nParCnt = 1;
					ESelection aSel( 0, 0, nParCnt-1, pEngine->GetTextLen(nParCnt-1) );

					uno::Reference<datatransfer::XTransferable> xEditTrans = pEngine->CreateTransferable( aSel );
					TransferableDataHelper aEditHelper( xEditTrans );

					bRet = aEditHelper.GetSotStorageStream( rFlavor, rxOStm );
				}
			}
			break;

		case SCTRANS_TYPE_EMBOBJ:
			{
                // TODO/MBA: testing
                SfxObjectShell*   pEmbObj = (SfxObjectShell*) pUserObject;
                ::utl::TempFile     aTempFile;
                aTempFile.EnableKillingFile();
                uno::Reference< embed::XStorage > xWorkStore =
                    ::comphelper::OStorageHelper::GetStorageFromURL( aTempFile.GetURL(), embed::ElementModes::READWRITE );

                // write document storage
                pEmbObj->SetupStorage( xWorkStore, SOFFICE_FILEFORMAT_CURRENT, sal_False );

                // mba: no relative ULRs for clipboard!
                SfxMedium aMedium( xWorkStore, String() );
                bRet = pEmbObj->DoSaveObjectAs( aMedium, sal_False );
                pEmbObj->DoSaveCompleted();

                uno::Reference< embed::XTransactedObject > xTransact( xWorkStore, uno::UNO_QUERY );
                if ( xTransact.is() )
                    xTransact->commit();

                SvStream* pSrcStm = ::utl::UcbStreamHelper::CreateStream( aTempFile.GetURL(), STREAM_READ );
                if( pSrcStm )
                {
                    rxOStm->SetBufferSize( 0xff00 );
                    *rxOStm << *pSrcStm;
                    delete pSrcStm;
                }

                bRet = sal_True;

                xWorkStore->dispose();
                xWorkStore = uno::Reference < embed::XStorage >();
                rxOStm->Commit();
			}
			break;

		default:
			DBG_ERROR("unknown object id");
	}
	return bRet;
}

void ScTransferObj::ObjectReleased()
{
	ScModule* pScMod = SC_MOD();
	if ( pScMod->GetClipData().pCellClipboard == this )
		pScMod->SetClipObject( NULL, NULL );

	TransferableHelper::ObjectReleased();
}

void ScTransferObj::DragFinished( sal_Int8 nDropAction )
{
	if ( nDropAction == DND_ACTION_MOVE && !bDragWasInternal && !(nDragSourceFlags & SC_DROP_NAVIGATOR) )
	{
		//	move: delete source data
		ScDocShell* pSourceSh = GetSourceDocShell();
		if (pSourceSh)
		{
			ScMarkData aMarkData = GetSourceMarkData();
			//	external drag&drop doesn't copy objects, so they also aren't deleted:
			//	#105703# bApi=sal_True, don't show error messages from drag&drop
			pSourceSh->GetDocFunc().DeleteContents( aMarkData, IDF_ALL & ~IDF_OBJECTS, sal_True, sal_True );
		}
	}

	ScModule* pScMod = SC_MOD();
	if ( pScMod->GetDragData().pCellTransfer == this )
		pScMod->ResetDragObject();

	xDragSourceRanges = NULL;		// don't keep source after dropping

	TransferableHelper::DragFinished( nDropAction );
}

void ScTransferObj::SetDragHandlePos( SCCOL nX, SCROW nY )
{
	nDragHandleX = nX;
	nDragHandleY = nY;
}

void ScTransferObj::SetVisibleTab( SCTAB nNew )
{
	nVisibleTab = nNew;
}

void ScTransferObj::SetDrawPersist( const SfxObjectShellRef& rRef )
{
    aDrawPersistRef = rRef;
}

void ScTransferObj::SetDragSource( ScDocShell* pSourceShell, const ScMarkData& rMark )
{
	ScRangeList aRanges;
	rMark.FillRangeListWithMarks( &aRanges, sal_False );
	xDragSourceRanges = new ScCellRangesObj( pSourceShell, aRanges );
}

void ScTransferObj::SetDragSourceFlags( sal_uInt16 nFlags )
{
	nDragSourceFlags = nFlags;
}

void ScTransferObj::SetDragWasInternal()
{
	bDragWasInternal = sal_True;
}

void ScTransferObj::SetUseInApi( bool bSet )
{
    bUseInApi = bSet;
}

ScDocument* ScTransferObj::GetSourceDocument()
{
	ScDocShell* pSourceDocSh = GetSourceDocShell();
	if (pSourceDocSh)
		return pSourceDocSh->GetDocument();
	return NULL;
}

ScDocShell* ScTransferObj::GetSourceDocShell()
{
	ScCellRangesBase* pRangesObj = ScCellRangesBase::getImplementation( xDragSourceRanges );
	if (pRangesObj)
		return pRangesObj->GetDocShell();

	return NULL;	// none set
}

ScMarkData ScTransferObj::GetSourceMarkData()
{
	ScMarkData aMarkData;
	ScCellRangesBase* pRangesObj = ScCellRangesBase::getImplementation( xDragSourceRanges );
	if (pRangesObj)
	{
		const ScRangeList& rRanges = pRangesObj->GetRangeList();
		aMarkData.MarkFromRangeList( rRanges, sal_False );
	}
	return aMarkData;
}

//
//	initialize aDocShellRef with a live document from the ClipDoc
//

void ScTransferObj::InitDocShell()
{
	if ( !aDocShellRef.Is() )
	{
		ScDocShell* pDocSh = new ScDocShell;
		aDocShellRef = pDocSh;		// ref must be there before InitNew

		pDocSh->DoInitNew(NULL);

		ScDocument* pDestDoc = pDocSh->GetDocument();
		ScMarkData aDestMark;
		aDestMark.SelectTable( 0, sal_True );

        pDestDoc->SetDocOptions( pDoc->GetDocOptions() );   // #i42666#

		String aTabName;
		pDoc->GetName( aBlock.aStart.Tab(), aTabName );
		pDestDoc->RenameTab( 0, aTabName, sal_False );			// no UpdateRef (empty)

		pDestDoc->CopyStdStylesFrom( pDoc );

		SCCOL nStartX = aBlock.aStart.Col();
		SCROW nStartY = aBlock.aStart.Row();
		SCCOL nEndX = aBlock.aEnd.Col();
		SCROW nEndY = aBlock.aEnd.Row();

		//	widths / heights
		//	(must be copied before CopyFromClip, for drawing objects)

		SCCOL nCol, nLastCol;
		SCTAB nSrcTab = aBlock.aStart.Tab();
        pDestDoc->SetLayoutRTL(0, pDoc->IsLayoutRTL(nSrcTab));
		for (nCol=nStartX; nCol<=nEndX; nCol++)
			if ( pDoc->ColHidden(nCol, nSrcTab, nLastCol) )
				pDestDoc->ShowCol( nCol, 0, sal_False );
			else
				pDestDoc->SetColWidth( nCol, 0, pDoc->GetColWidth( nCol, nSrcTab ) );

        ScBitMaskCompressedArray< SCROW, sal_uInt8> & rDestRowFlags =
            pDestDoc->GetRowFlagsArrayModifiable(0);

		for (SCROW nRow = nStartY; nRow <= nEndY; ++nRow)
		{
            sal_uInt8 nSourceFlags = pDoc->GetRowFlags(nRow, nSrcTab);
            SCROW nLastRow = -1;
            if ( pDoc->RowHidden(nRow, nSrcTab, nLastRow) )
				pDestDoc->ShowRow( nRow, 0, sal_False );
			else
			{
				pDestDoc->SetRowHeight( nRow, 0, pDoc->GetOriginalHeight( nRow, nSrcTab ) );

				//	if height was set manually, that flag has to be copied, too
				if ( nSourceFlags & CR_MANUALSIZE )
					rDestRowFlags.OrValue( nRow, CR_MANUALSIZE);
			}
		}

		if ( pDoc->GetDrawLayer() )
			pDocSh->MakeDrawLayer();

		//	cell range is copied to the original position, but on the first sheet
		//	-> bCutMode must be set
		//	pDoc is always a Clipboard-document

		ScRange aDestRange( nStartX,nStartY,0, nEndX,nEndY,0 );
		sal_Bool bWasCut = pDoc->IsCutMode();
		if (!bWasCut)
			pDoc->SetClipArea( aDestRange, sal_True );			// Cut
		pDestDoc->CopyFromClip( aDestRange, aDestMark, IDF_ALL, NULL, pDoc, sal_False );
		pDoc->SetClipArea( aDestRange, bWasCut );

		StripRefs( pDoc, nStartX,nStartY, nEndX,nEndY, pDestDoc, 0,0 );

		ScRange aMergeRange = aDestRange;
		pDestDoc->ExtendMerge( aMergeRange, sal_True );

		pDoc->CopyDdeLinks( pDestDoc );			// copy values of DDE Links

		//	page format (grid etc) and page size (maximum size for ole object)

		Size aPaperSize = SvxPaperInfo::GetPaperSize( PAPER_A4 );		// Twips
		ScStyleSheetPool* pStylePool = pDoc->GetStyleSheetPool();
		String aStyleName = pDoc->GetPageStyle( aBlock.aStart.Tab() );
		SfxStyleSheetBase* pStyleSheet = pStylePool->Find( aStyleName, SFX_STYLE_FAMILY_PAGE );
		if (pStyleSheet)
		{
			const SfxItemSet& rSourceSet = pStyleSheet->GetItemSet();
			aPaperSize = ((const SvxSizeItem&) rSourceSet.Get(ATTR_PAGE_SIZE)).GetSize();

			//	CopyStyleFrom kopiert SetItems mit richtigem Pool
			ScStyleSheetPool* pDestPool = pDestDoc->GetStyleSheetPool();
			pDestPool->CopyStyleFrom( pStylePool, aStyleName, SFX_STYLE_FAMILY_PAGE );
		}

		ScViewData aViewData( pDocSh, NULL );
		aViewData.SetScreen( nStartX,nStartY, nEndX,nEndY );
		aViewData.SetCurX( nStartX );
		aViewData.SetCurY( nStartY );

		pDestDoc->SetViewOptions( pDoc->GetViewOptions() );

		//		Size
		//! get while copying sizes

		long nPosX = 0;
		long nPosY = 0;

		for (nCol=0; nCol<nStartX; nCol++)
			nPosX += pDestDoc->GetColWidth( nCol, 0 );
        nPosY += pDestDoc->GetRowHeight( 0, nStartY-1, 0 );
		nPosX = (long) ( nPosX * HMM_PER_TWIPS );
		nPosY = (long) ( nPosY * HMM_PER_TWIPS );


		aPaperSize.Width()  *= 2;		// limit OLE object to double of page size
		aPaperSize.Height() *= 2;

		long nSizeX = 0;
		long nSizeY = 0;
		for (nCol=nStartX; nCol<=nEndX; nCol++)
		{
			long nAdd = pDestDoc->GetColWidth( nCol, 0 );
			if ( nSizeX+nAdd > aPaperSize.Width() && nSizeX )	// above limit?
				break;
			nSizeX += nAdd;
		}
		for (SCROW nRow=nStartY; nRow<=nEndY; nRow++)
		{
			long nAdd = pDestDoc->GetRowHeight( nRow, 0 );
			if ( nSizeY+nAdd > aPaperSize.Height() && nSizeY )	// above limit?
				break;
			nSizeY += nAdd;
		}
		nSizeX = (long) ( nSizeX * HMM_PER_TWIPS );
		nSizeY = (long) ( nSizeY * HMM_PER_TWIPS );

//		pDocSh->SetVisAreaSize( Size(nSizeX,nSizeY) );

		Rectangle aNewArea( Point(nPosX,nPosY), Size(nSizeX,nSizeY) );
        //TODO/LATER: why twice?!
        //pDocSh->SvInPlaceObject::SetVisArea( aNewArea );
		pDocSh->SetVisArea( aNewArea );

		pDocSh->UpdateOle(&aViewData, sal_True);

		//!	SetDocumentModified?
		if ( pDestDoc->IsChartListenerCollectionNeedsUpdate() )
			pDestDoc->UpdateChartListenerCollection();
	}
}

//	static
SfxObjectShell* ScTransferObj::SetDrawClipDoc( sal_Bool bAnyOle )
{
	// update ScGlobal::pDrawClipDocShellRef

    delete ScGlobal::pDrawClipDocShellRef;
    if (bAnyOle)
    {
        ScGlobal::pDrawClipDocShellRef =
                        new ScDocShellRef(new ScDocShell(SFX_CREATE_MODE_INTERNAL));      // there must be a ref
        (*ScGlobal::pDrawClipDocShellRef)->DoInitNew(NULL);
        return *ScGlobal::pDrawClipDocShellRef;
    }
    else
    {
        ScGlobal::pDrawClipDocShellRef = NULL;
        return NULL;
    }
}

//	static
void ScTransferObj::StripRefs( ScDocument* pDoc,
					SCCOL nStartX, SCROW nStartY, SCCOL nEndX, SCROW nEndY,
					ScDocument* pDestDoc, SCCOL nSubX, SCROW nSubY )
{
	if (!pDestDoc)
	{
		pDestDoc = pDoc;
		DBG_ASSERT(nSubX==0&&nSubY==0, "can't move within the document");
	}

	//	In a clipboard doc the data don't have to be on the first sheet

	SCTAB nSrcTab = 0;
	while (nSrcTab<MAXTAB && !pDoc->HasTable(nSrcTab))
		++nSrcTab;
	SCTAB nDestTab = 0;
	while (nDestTab<MAXTAB && !pDestDoc->HasTable(nDestTab))
		++nDestTab;

	if (!pDoc->HasTable(nSrcTab) || !pDestDoc->HasTable(nDestTab))
	{
		DBG_ERROR("Sheet not found in ScTransferObj::StripRefs");
		return;
	}

	SvNumberFormatter* pFormatter = pDoc->GetFormatTable();
	ScRange aRef;

	ScCellIterator aIter( pDoc, nStartX, nStartY, nSrcTab, nEndX, nEndY, nSrcTab );
	ScBaseCell* pCell = aIter.GetFirst();
	while (pCell)
	{
		if (pCell->GetCellType() == CELLTYPE_FORMULA)
		{
			ScFormulaCell* pFCell = (ScFormulaCell*) pCell;
			sal_Bool bOut = sal_False;
			ScDetectiveRefIter aRefIter( pFCell );
			while ( !bOut && aRefIter.GetNextRef( aRef ) )
			{
				if ( aRef.aStart.Tab() != nSrcTab || aRef.aEnd.Tab() != nSrcTab ||
						aRef.aStart.Col() < nStartX || aRef.aEnd.Col() > nEndX ||
						aRef.aStart.Row() < nStartY || aRef.aEnd.Row() > nEndY )
					bOut = sal_True;
			}
			if (bOut)
			{
				SCCOL nCol = aIter.GetCol() - nSubX;
				SCROW nRow = aIter.GetRow() - nSubY;

				ScBaseCell* pNew = 0;
				sal_uInt16 nErrCode = pFCell->GetErrCode();
				if (nErrCode)
				{
					pNew = new ScStringCell( ScGlobal::GetErrorString(nErrCode) );
					if ( ((const SvxHorJustifyItem*) pDestDoc->GetAttr(
							nCol,nRow,nDestTab, ATTR_HOR_JUSTIFY))->GetValue() ==
							SVX_HOR_JUSTIFY_STANDARD )
						pDestDoc->ApplyAttr( nCol,nRow,nDestTab,
								SvxHorJustifyItem(SVX_HOR_JUSTIFY_RIGHT, ATTR_HOR_JUSTIFY) );
				}
				else if (pFCell->IsValue())
				{
					double fVal = pFCell->GetValue();
					pNew = new ScValueCell( fVal );
				}
				else
				{
					String aStr;
					pFCell->GetString(aStr);
                    if ( pFCell->IsMultilineResult() )
                        pNew = new ScEditCell( aStr, pDestDoc );
                    else
                        pNew = new ScStringCell( aStr );
				}
				pDestDoc->PutCell( nCol,nRow,nDestTab, pNew );

				//	number formats

				sal_uLong nOldFormat = ((const SfxUInt32Item*)
								pDestDoc->GetAttr(nCol,nRow,nDestTab, ATTR_VALUE_FORMAT))->GetValue();
				if ( (nOldFormat % SV_COUNTRY_LANGUAGE_OFFSET) == 0 )
				{
					sal_uLong nNewFormat = pFCell->GetStandardFormat( *pFormatter,
						nOldFormat );
					pDestDoc->ApplyAttr( nCol,nRow,nDestTab,
								SfxUInt32Item(ATTR_VALUE_FORMAT, nNewFormat) );
				}
			}
		}
		pCell = aIter.GetNext();
	}
}

const com::sun::star::uno::Sequence< sal_Int8 >& ScTransferObj::getUnoTunnelId()
{
    static com::sun::star::uno::Sequence< sal_Int8 > aSeq;
    if( !aSeq.getLength() )
    {
        static osl::Mutex           aCreateMutex;
        osl::Guard< osl::Mutex >    aGuard( aCreateMutex );
        aSeq.realloc( 16 );
        rtl_createUuid( reinterpret_cast< sal_uInt8* >( aSeq.getArray() ), 0, sal_True );
    }
    return aSeq;
}

sal_Int64 SAL_CALL ScTransferObj::getSomething( const com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( com::sun::star::uno::RuntimeException )
{
    sal_Int64 nRet;
    if( ( rId.getLength() == 16 ) &&
        ( 0 == rtl_compareMemory( getUnoTunnelId().getConstArray(), rId.getConstArray(), 16 ) ) )
    {
        nRet = reinterpret_cast< sal_Int64 >( this );
    }
    else
        nRet = TransferableHelper::getSomething(rId);
    return nRet;
}